}
void gras_os_sleep(double sec) {
- DEBUG1("Do sleep %d sec", (int)sec);
- sleep(sec);
-
#ifdef HAVE_USLEEP
- DEBUG1("Do sleep %d usec", (int) ((sec - floor(sec)) * 1000000 ));
+ DEBUG1("Do sleep %f sec", sec);
+ sleep(sec);
(void)usleep( (sec - floor(sec)) * 1000000);
-#else
- if ( ((int) sec) == 0) {
- WARN0("This platform does not implement usleep. Cannot sleep less than one second");
- }
-#endif /* ! HAVE_USLEEP */
+
+#else /* don't have usleep. Use select to sleep less than one second */
+ struct timeval timeout;
+
+ DEBUG1("Do sleep %f sec", sec);
+
+ timeout.tv_sec = (unsigned long)(sec);
+ timeout.tv_usec = (sec - floor(sec)) * 1000000;
+
+ select(0, NULL, NULL, NULL, &timeout);
+#endif
}
+